void main(List<String> args) {
  Persion persion = new Persion();
  persion.setName = "adf";
  print(persion.getName);
}

class Persion {
  String? name;
  // setter
  set setName(String name) {
    this.name = name;
  }

  // getter
  get getName {
    return this.name;
  }
}
